Environmental Ecology Mock Tests

13 questions available

Environmental Ecology Mock Test 1

Questions: 13

Sample Questions

UPSC General Studies

Which of the following is the primary cause of the formation of the ozone hole over Antarctica?

A Carbon dioxide emissions from burning fossil fuels

B Chlorofluorocarbons (CFCs) released by industrial activities

C Methane emissions from agricultural activities

D Sulfur dioxide emissions from volcanic eruptions

UPSC General Studies

The 'Greenhouse Effect' is caused primarily by which of the following mechanisms?

A Ozone layer depletion in the stratosphere

B Trapping of infrared radiation by greenhouse gases in the atmosphere, leading to warming of the Earth

C Direct heating of the Earth's surface by increased solar radiation

D Reflection of sunlight by increased cloud cover

UPSC General Studies

With reference to the environmental ecology, an 'Ecosystem' includes:

A All the living organisms in a given area

B Only the abiotic components of a given area

C The living organisms (biotic) and the abiotic components of a given area interacting with each other

D Only the plants and animals of a given area

UPSC General Studies

The 'Carbon Cycle' in nature refers to:

A The process by which carbon is continuously exchanged between the atmosphere, biosphere, oceans, and geosphere

B The formation of carbon-based minerals in the Earth's crust

C The conversion of carbon dioxide into oxygen by plants during photosynthesis only

D The burning of fossil fuels to release carbon into the atmosphere

UPSC General Studies

Consider the following ecosystems: 1. Tropical rainforest 2. Temperate deciduous forest 3. Taiga (boreal forest) 4. Tundra In which of the above ecosystems is the rate of decomposition of dead organic matter the slowest?

A 1 only

B 3 and 4 only

C 2 only

D 1 and 2 only

UPSC General Studies

With reference to the "El Niño" phenomenon, which of the following effects does it typically have on the Indian monsoon?

A It strengthens the monsoon rainfall across India

B It causes excessive rainfall and flooding in India

C It tends to cause deficient rainfall and drought conditions in India

D It has no significant effect on the Indian monsoon

UPSC General Studies

The concept of 'Carrying Capacity' in ecology refers to:

A The maximum number of predators in an ecosystem

B The maximum population size of a species that an environment can sustain indefinitely

C The total area of land available for agriculture

D The rate of population growth in a given area

UPSC General Studies

In an ecosystem, which of the following correctly represents a valid food chain?

A Grass → Deer → Tiger → Fungi

B Grass → Insect → Frog → Snake → Eagle

C Eagle → Snake → Frog → Insect → Grass

D Grass → Tiger → Deer → Insect

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